Oil & Gas Companies in Marion County, WV
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | East Resources, Inc. | Sewickley, PA 15143 | Oil & Gas Operator | Dec 2021 |
| 2 | Emax Oil Company | Charlottesville, VA 22903-4973 | Oil & Gas Operator | Dec 2016 |
| 3 | Energy Corporation Of America | Charleston, WV 25311 | Oil & Gas Operator | Dec 2024 |
| 4 | Energy Development Corporation | Houston, TX 77067 | Oil & Gas Operator | Dec 2025 |
| 5 | Enervest Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Mar 2026 |
| 6 | Enervest Operating, L.L.C., A Limited Liability Company | | Oil & Gas Operator | Dec 2019 |
| 7 | Eqt Production Company | Pittsburg, PA 15222 | Oil & Gas Operator | Jan 2026 |
| 8 | Equitable Gas Company | Pittsburgh, PA 15212-5352 | Gas Operator | Dec 2013 |
| 9 | Equitable Production Company | Charleston, WV 25302 | Oil & Gas Operator | Dec 2007 |
Production numbers shown above are only for Marion County, WV and for the production period listed.